2 remounting (type b1/b4/b4e base) – Flowserve MX-85 Actuator User Manual
Page 18

Flow Control
Limitorque Actuation Systems
10
MX-85/140 Maintenance and Spare Parts
FCD LMAIM1341-00
STEP 2
a
WARNING: Potential high pressure vessel! 
Before disassembling your actuator, ensure 
that the valve or other actuated device is iso-
lated and is not under pressure.
Lift actuator from mounting adapter.
2
3.1.2 Remounting (Type B1/B4/B4E Base)
STEP 3
Ensure stem nut (#1-22) is secured inside actuator 
drive sleeve with retaining ring (#1-23). Lower 
actuator onto the mating component, making sure 
to align stem nut key and keyway with mating 
component. 
3
1-23
1-22
STEP 4
Ensure that the actuator and mounting adapter 
flange mating holes are aligned correctly.
4
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